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Unread 31-10-2014, 18:10
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Re: pic: pre season chassis prototype

Quote:
Originally Posted by AdamHeard View Post
We actively powered them down with a 5/16" bore pneumatic cylinder.

We had them installed far left/right extreme for precision in turns, and roughly centered between the front/middle wheels on our heavier side.

It allowed us to do 6 or so linear movements and drive about a combined 40' (and probably 720* of turns) and still measure within 2" (maybe better) our final position.
Gotcha, is the wheel scrub from the skidding of the tank drive the cause of the reduced accuracy of drive encoders?
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